Answer:

Step-by-step explanation:
So the key is that a line has a measure of 180 degrees. Notice the square between the rays. That is a 90-degree angle. So let's add this up and see what's going on




25, 400 and 144 are all square numbers and 24, 300 and 145 are not.
Therefore, he must like 1600
Combine like terms you add -10x and 3x which is -7x-4
Answer:

Step-by-step explanation:
Use distributive property to simplify both sides.

Use the Golden Rule of Algebra: (<em>What</em><em> </em><em>we</em><em> </em><em>do</em><em> </em><em>to</em><em> </em><em>one</em><em> </em><em>side</em><em>,</em><em> </em><em>we</em><em> </em><em>must</em><em> </em><em>do</em><em> </em><em>to</em><em> </em><em>the</em><em> </em><em>other</em><em>)</em><em>.</em>



